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Finding the Fourth Proportional to 226,903, 340,314.38 and 84,716.36

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Solution

The fourth proportional to 226,903, 340,314.38 and 84,716.36 is: 127,059.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,903 : 340,314.38 = 84,716.36 : x
  2. Step 2: Convert to fraction form
    226,903/340,314.38 = 84,716.36/x
  3. Step 3: Cross multiply
    226,903x = 340,314.38 × 84,716.36
  4. Step 4: Simplify right side
    226,903x = 28,830,195,529.26
  5. Step 5: Solve for x
    x = 28,830,195,529.26/226,903
  6. Step 6: Final answer
    x = 127,059.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.